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Adhesive small bowel obstruction — USMLE Step 3 MCQ

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ModerateSurgery (post-operative, follow-up)Adhesive small bowel obstructionUSMLE Step 3

A 60-year-old woman with prior hysterectomy has colicky abdominal pain, vomiting, distention, and obstipation. CT shows dilated small bowel loops with a transition point and no free air or ischemia. She is hemodynamically stable. Which of the following is the most likely diagnosis?

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Correct answer: AAdhesive small bowel obstruction

Prior abdominal surgery and CT transition point with obstructive symptoms suggest adhesive small bowel obstruction.

Reference: World Society of Emergency Surgery SBO Guidelines